set terminal postscript enhanced set key bottom right set title "3-D Truthiness, Resolution 1" set xlabel "Number of Extra Points, S_k" set ylabel "Percent of Improved Interpolations" set log x set yrange [0:1] plot 'data.out' \ u 1:2 t 'order 2' w lp, \ '' u 1:3 t 'order 3' w lp, \ '' u 1:4 t 'order 4' w lp, \ '' u 1:5 t 'order 5' w lp;